Mug



FIG. 1 is a front perspective view of the mug;

FIG. 2 is a side elevational view of the mug;

FIG. 3 is a front elevational view of the mug;

FIG. 4 is a top plan view of the mug; and,

FIG. 5 is a bottom plan view of the mug. 

The ornamental design for a mug, as shown and described. 